aboutsummaryrefslogtreecommitdiff
path: root/core/libraries/Firmata
diff options
context:
space:
mode:
Diffstat (limited to 'core/libraries/Firmata')
-rw-r--r--core/libraries/Firmata/Firmata.cpp128
-rw-r--r--core/libraries/Firmata/Firmata.h95
-rw-r--r--core/libraries/Firmata/keywords.txt18
3 files changed, 241 insertions, 0 deletions
diff --git a/core/libraries/Firmata/Firmata.cpp b/core/libraries/Firmata/Firmata.cpp
new file mode 100644
index 0000000..de58a41
--- /dev/null
+++ b/core/libraries/Firmata/Firmata.cpp
@@ -0,0 +1,128 @@
+/*
+ Firmata.cpp - Firmata library
+ Copyright (c) 2007 Free Software Foundation. All right reserved.
+ Written by Hans-Christoph Steiner <hans@at.or.at>
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+*/
+
+//******************************************************************************
+//* Includes
+//******************************************************************************
+
+extern "C" {
+ // AVR LibC Includes
+ #include <inttypes.h>
+ #include <stdlib.h>
+
+ // Wiring Core Includes
+ #include "WConstants.h"
+}
+
+#include "Firmata.h"
+#include "EEPROM.h"
+#include "HardwareSerial.h"
+
+//******************************************************************************
+//* Definitions
+//******************************************************************************
+
+//******************************************************************************
+//* Constructors
+//******************************************************************************
+
+FirmataClass::FirmataClass()
+{
+ // TODO: init serial here
+ // TODO: printVersion
+}
+
+//******************************************************************************
+//* Private Methods
+//******************************************************************************
+// resets the system state upon a SYSTEM_RESET message from the host software
+void FirmataClass::systemReset(void)
+{
+ // TODO automatically call this in response to SYSTEM_RESET
+ // TODO reset EEPROM to 0 here
+}
+
+//******************************************************************************
+//* Public Methods
+//******************************************************************************
+
+// output type of message that is next on the queue
+int FirmataClass::available(void)
+{
+ // TODO output next available message type, or -1 if nothing
+}
+
+
+// output the protocol version message to the serial port
+void FirmataClass::printVersion() {
+ Serial.print(REPORT_VERSION, BYTE);
+ Serial.print(FIRMATA_MINOR_VERSION, BYTE);
+ Serial.print(FIRMATA_MAJOR_VERSION, BYTE);
+}
+
+// send an analog message
+void FirmataClass::sendAnalog(int pin, int value)
+{
+ // pin can only be 0-15, so chop higher bits
+ Serial.print(ANALOG_MESSAGE | (pin & 0xF), BYTE);
+ Serial.print(value % 128, BYTE);
+ Serial.print(value >> 7, BYTE);
+}
+
+// send a single digital pin in a digital message
+void FirmataClass::sendDigital(int pin, int value)
+{
+ // TODO add single pin digital messages to the protocol
+}
+
+// send 14-bits in a single digital message
+void FirmataClass::sendDigitalPortPair(int port, int value)
+{
+ // TODO: the digital message should not be sent on the serial port every
+ // time sendDigital() is called. Instead, it should add it to an int
+ // which will be sent on a schedule. If a pin changes more than once
+ // before the digital message is sent on the serial port, it should send a
+ // digital message for each change.
+
+ // TODO: some math needs to happen for pin > 14 since MIDI channels are used
+ Serial.print(DIGITAL_MESSAGE | (port & 0xF),BYTE);
+ Serial.print(value % 128, BYTE); // Tx pins 0-6
+ Serial.print(value >> 7, BYTE); // Tx pins 7-13
+}
+
+// Internal Actions/////////////////////////////////////////////////////////////
+
+void FirmataClass::loadState(void)
+{
+ // TODO load state from EEPROM
+}
+
+void FirmataClass::saveState(void)
+{
+ // TODO save state to EEPROM
+}
+
+void FirmataClass::resetState(void)
+{
+ // TODO reset state bytes in EEPROM
+}
+
+// make one instance for the user to use
+FirmataClass Firmata;
diff --git a/core/libraries/Firmata/Firmata.h b/core/libraries/Firmata/Firmata.h
new file mode 100644
index 0000000..1c6604b
--- /dev/null
+++ b/core/libraries/Firmata/Firmata.h
@@ -0,0 +1,95 @@
+/*
+ Firmata.h - Firmata library
+ Copyright (c) 2007 Free Software Foundation. All right reserved.
+ Written by Hans-Christoph Steiner <hans@at.or.at>
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+*/
+
+#ifndef Firmata_h
+#define Firmata_h
+
+#include <inttypes.h>
+
+class FirmataClass
+{
+private:
+ void systemReset(void);
+public:
+ FirmataClass();
+ int available(void);
+ // serial receive actions
+ // send serial messages
+ void printVersion(void);
+ void sendAnalog(int, int);
+ void sendDigital(int, int);
+ void sendDigitalPortPair(int, int);
+ // internal actions
+ void loadState(void);
+ void saveState(void);
+ void resetState(void);
+};
+
+extern FirmataClass Firmata;
+
+/*==============================================================================
+ * MACROS
+ *============================================================================*/
+
+/* Version numbers for the protocol. The protocol is still changing, so these
+ * version numbers are important. This number can be queried so that host
+ * software can test whether it will be compatible with the currently
+ * installed firmware. */
+#define FIRMATA_MAJOR_VERSION 1 // for non-compatible changes
+#define FIRMATA_MINOR_VERSION 0 // for backwards compatible changes
+
+// total number of pins currently supported
+#define TOTAL_ANALOG_PINS 6
+#define TOTAL_DIGITAL_PINS 14
+
+// for comparing along with INPUT and OUTPUT
+#define PWM 2
+
+// for selecting digital inputs
+#define PB 2 // digital input, pins 8-13
+#define PC 3 // analog input port
+#define PD 4 // digital input, pins 0-7
+
+#define MAX_DATA_BYTES 2 // max number of data bytes in non-SysEx messages
+// message command bytes
+#define DIGITAL_MESSAGE 0x90 // send data for a digital pin
+#define ANALOG_MESSAGE 0xE0 // send data for an analog pin (or PWM)
+//#define PULSE_MESSAGE 0xA0 // proposed pulseIn/Out message (SysEx)
+//#define SHIFTOUT_MESSAGE 0xB0 // proposed shiftOut message (SysEx)
+#define REPORT_ANALOG_PIN 0xC0 // enable analog input by pin #
+#define REPORT_DIGITAL_PORTS 0xD0 // enable digital input by port pair
+#define START_SYSEX 0xF0 // start a MIDI SysEx message
+#define SET_DIGITAL_PIN_MODE 0xF4 // set a digital pin to INPUT or OUTPUT
+#define END_SYSEX 0xF7 // end a MIDI SysEx message
+#define REPORT_VERSION 0xF9 // report firmware version
+#define SYSTEM_RESET 0xFF // reset from MIDI
+
+// these are used for EEPROM reading and writing
+#define ANALOGINPUTSTOREPORT_LOW_BYTE 0x1F0 // analogInputsToReport is an int
+#define ANALOGINPUTSTOREPORT_HIGH_BYTE 0x1F1 // analogInputsToReport is an int
+#define REPORTDIGITALINPUTS_BYTE 0x1F2 //
+#define DIGITALPINSTATUS_LOW_BYTE 0x1F3 // digitalPinStatus is an int
+#define DIGITALPINSTATUS_HIGH_BYTE 0x1F4 // digitalPinStatus is an int
+#define PWMSTATUS_LOW_BYTE 0x1F5 // pwmStatus is an int
+#define PWMSTATUS_HIGH_BYTE 0x1F6 // pwmStatus is an int
+
+
+#endif /* Firmata_h */
+
diff --git a/core/libraries/Firmata/keywords.txt b/core/libraries/Firmata/keywords.txt
new file mode 100644
index 0000000..a241593
--- /dev/null
+++ b/core/libraries/Firmata/keywords.txt
@@ -0,0 +1,18 @@
+#######################################
+# Syntax Coloring Map For Firmata
+#######################################
+
+#######################################
+# Datatypes (KEYWORD1)
+#######################################
+
+Firmata KEYWORD1
+
+#######################################
+# Methods and Functions (KEYWORD2)
+#######################################
+
+#######################################
+# Constants (LITERAL1)
+#######################################
+
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-11-23 02:57:15 +0000